| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 2483 |
45.3%
|
| 2 | Sometimes. | 1355 |
24.7%
|
| 3 | Never | 1010 |
18.4%
|
| 4 | Don't know | 639 |
11.6%
|
| Sysmiss | 337 |